KR960030970A - Method and apparatus for monitoring the operation of an air separation plant - Google Patents

Method and apparatus for monitoring the operation of an air separation plant Download PDF

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Publication number
KR960030970A
KR960030970A KR1019960002881A KR19960002881A KR960030970A KR 960030970 A KR960030970 A KR 960030970A KR 1019960002881 A KR1019960002881 A KR 1019960002881A KR 19960002881 A KR19960002881 A KR 19960002881A KR 960030970 A KR960030970 A KR 960030970A
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South Korea
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nitrous oxide
evaporator
oxide content
condenser
plant
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KR1019960002881A
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Korean (ko)
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KR100395315B1 (en
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다르도 베르나르
자꼬메 아멜리
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띠에리 쉬에르
레르 리뀌드, 소시에떼 아노님 뿌르 레뛰드 에렉스쁠로와따시옹 데 프로세데 죠르쥬 끌로드
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Application filed by 띠에리 쉬에르, 레르 리뀌드, 소시에떼 아노님 뿌르 레뛰드 에렉스쁠로와따시옹 데 프로세데 죠르쥬 끌로드 filed Critical 띠에리 쉬에르
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04854—Safety aspects of operation
    • F25J3/0486—Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
    • F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/912—External refrigeration system
    • Y10S62/913—Liquified gas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/11—Automated chemical analysis
    • Y10T436/115831—Condition or time responsive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/12—Condition responsive control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/177692—Oxides of nitrogen

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

본 발명은 저온 중류에 의해 공기를 분리시키기 위한 플랜트의 작동을 모니터하기 위한 방법에 있어서, 상기 플랜트의 증발기-응축기 배쓰의 아산화 질소 함량 변화를 검출하는 것을 특징으로 하는 방법에 관한 것이다.The present invention relates to a method for monitoring the operation of a plant for separating air by low temperature by-products, characterized in that a change in the nitrous oxide content of the evaporator-condenser bath of the plant is detected.

아산화 질소 함량은 적외선 분석기를 사용하여 측정할 수 있다.The nitrous oxide content can be measured using an infrared analyzer.

Description

공기 분리 플랜트의 작동을 모니터하기 위한 방법 및 장치Method and apparatus for monitoring the operation of an air separation plant

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (10)

증류 칼럼, 및 액체 배쓰를 함유하는 증발기-응축기를 포함하여 저온 증류에 의해 공기를 분리시키기 위한 플랜트의 작동을 모니터하는 방법에 있어서, 상기 증발기-응축기 내에 축적하는 액체의 아산화 질소 함량의 변화를 검출하는 것을 특징으로 하는 방법.A method for monitoring the operation of a plant for separating air by cryogenic distillation comprising an evaporator-condenser containing a distillation column and a liquid bath, the method comprising: detecting a change in the nitrous oxide content of the liquid accumulating in the evaporator- . ≪ / RTI > 제1항에 있어서, 아산화 질소 함량을 적외선 분석기를 사용하여 측정하는 방법.The method according to claim 1, wherein the nitrous oxide content is measured using an infrared analyzer. 제1항 또는 제2항에 있어서, 상기 액체의 아산화 질소 함량을 측정하는 방법.The method according to claim 1 or 2, wherein the liquid nitrogen content of the liquid is measured. 제3항에 있어서, 상기 액체의 아산화 질소 함량을 연속적으로 측정하는 방법.4. The method of claim 3, wherein the nitrous oxide content of the liquid is continuously measured. 제1항에 있어서, 아산화 질소 함량의 변화에 따라서, 추가량의 액체를 증발기-응축기로 운반하고, 증발기-응축기의 소제 유속을 증가시키거나 플랜트의 공기 정제 흡착기의 작동을 조정하는 방법.The method of claim 1, further comprising conveying an additional amount of liquid to the evaporator-condenser, increasing the scavenging flow rate of the evaporator-condenser, or adjusting the operation of the air purification adsorber of the plant, depending on the change in nitrous oxide content. 저온 증류에 의해 공기를 분리시키기 위한 플랜트의 작동을 모니터하기 위한 장치로서, 상기 플랜트의 증발기-응축기 배쓰의 아산화 질소 함량 변화를 검출하기 위한 수단을 포함하는 장지.An apparatus for monitoring the operation of a plant for separating air by cryogenic distillation, the apparatus comprising means for detecting a change in the nitrous oxide content of the evaporator-condenser bath of the plant. 제6항에 있어서, 상기 증발기-응축기가 2중 컬럼중 저압 컬럼의 탱크내에 존재하는 장치.7. The apparatus of claim 6, wherein the evaporator-condenser is in a tank of a low pressure column of a double column. 제6항 또는 제7항에 있어서, 상기 아산화 질소의 함량 변화를 검출하기 위한 수단이 적외선 분석기를 포함하는 장치.8. The apparatus of claim 6 or 7, wherein the means for detecting a change in the content of nitrous oxide comprises an infrared analyzer. 제6항에 있어서, 상기 아산화 질소 함량 변화를 검출하기 위한 수단이 증발기-응축기 배쓰의 아산화 질소 함량을 측정할 수 있는 것인 장치.7. The apparatus of claim 6, wherein the means for detecting the change in nitrous oxide content is capable of measuring the nitrous oxide content of the evaporator-condenser bath. 제6항 내지 제9항중 어느 한 항에서 정의한 장치를 포함하는 공기 분리 플랜트.An air separation plant comprising an apparatus as defined in any one of claims 6 to 9. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960002881A 1995-02-07 1996-02-07 Method and apparatus for monitoring the operation of an air separation plant KR100395315B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR95-01388 1995-02-07
FR9501388A FR2730172B1 (en) 1995-02-07 1995-02-07 METHOD AND APPARATUS FOR MONITORING THE OPERATION OF AN AIR SEPARATION INSTALLATION

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KR960030970A true KR960030970A (en) 1996-09-17
KR100395315B1 KR100395315B1 (en) 2003-11-17

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US (1) US5629208A (en)
EP (1) EP0726434B2 (en)
JP (1) JP2875502B2 (en)
KR (1) KR100395315B1 (en)
CN (1) CN1077287C (en)
AU (1) AU705899B2 (en)
BR (1) BR9600322A (en)
CA (1) CA2168931C (en)
DE (1) DE69604841T3 (en)
ES (1) ES2140038T5 (en)
FR (1) FR2730172B1 (en)
ZA (1) ZA96938B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774754B1 (en) 1998-02-09 2000-03-03 Air Liquide METHOD FOR DETECTING THE PRESENCE OF IMPURITIES, LIQUID VAPORIZATION STATION AND METHOD, AND DOUBLE AIR DISTILLATION COLUMN
DE19852020A1 (en) * 1998-08-06 2000-02-10 Linde Ag Method and device for the low-temperature separation of air
FR2820505B1 (en) * 2001-02-06 2003-08-29 Air Liquide METHOD AND DEVICE FOR DETECTING HYDROCARBONS IN A GAS
FR2839153B1 (en) * 2002-04-25 2005-01-14 Air Liquide METHOD AND APPARATUS FOR SAMPLING CRYOGENIC LIQUIDS, AND AIR SEPARATION UNIT HAVING AT LEAST ONE SUCH INSTALLATION
JP4624336B2 (en) * 2006-11-20 2011-02-02 鹿島石油株式会社 Method for detecting NOx compounds accumulated in a cryogenic separation facility
CN100491874C (en) * 2007-05-24 2009-05-27 武汉钢铁(集团)公司 Method for removing nitrogen monoxide gathering in large oxygen-making machine
EP2993432A1 (en) * 2014-09-02 2016-03-09 Linde Aktiengesellschaft Method for the low-temperature decomposition of air and air separation plant
FR3066597B1 (en) * 2017-05-19 2022-07-01 Air Liquide APPARATUS FOR ANALYZING TRACES OF CONTAMINANTS IN A CRYOGENIC LIQUID
RU2755284C2 (en) 2017-05-19 2021-09-14 Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод Method for analyzing traces of pollutants in cryogenic liquid
TWI699503B (en) * 2019-06-28 2020-07-21 中國鋼鐵股份有限公司 Film condenser liquid-gas ratio monitoring system and monitoring method
CN113091402B (en) * 2021-04-30 2022-02-18 开封迪尔空分实业有限公司 Argon making system with single tower

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045191A (en) * 1972-05-11 1977-08-30 Union Carbide Corporation Radioactive krypton gas separation
JPS5513135A (en) * 1978-07-17 1980-01-30 Hitachi Ltd Measuring device for nitrogen content of waste water
DE3322473A1 (en) * 1983-06-22 1985-01-03 Linde Ag, 6200 Wiesbaden Method and device for avoiding enrichment of undesired components in a liquid medium
JP2969358B2 (en) * 1989-10-25 1999-11-02 日本酸素株式会社 Control method of oxygen concentration in ultra high purity nitrogen product collected from rectification column
JP2952855B2 (en) * 1990-11-27 1999-09-27 電源開発株式会社 Continuous measurement method of nitrous oxide concentration in gas
US5313802A (en) * 1993-02-16 1994-05-24 Air Products And Chemicals, Inc. Process to produce a krypton/xenon enriched stream directly from the main air distillation column
FR2702040B1 (en) * 1993-02-25 1995-05-19 Air Liquide Process and installation for the production of oxygen and / or nitrogen under pressure.
FR2703140B1 (en) * 1993-03-23 1995-05-19 Air Liquide Method and installation for producing gaseous oxygen and / or nitrogen gas under pressure by air distillation.
FR2709537B1 (en) * 1993-09-01 1995-10-13 Air Liquide Process and installation for producing oxygen and / or nitrogen gas under pressure.
FR2709538B1 (en) * 1993-09-01 1995-10-06 Air Liquide Method and installation for producing at least one pressurized air gas.
FR2723184B1 (en) * 1994-07-29 1996-09-06 Grenier Maurice PROCESS AND PLANT FOR THE PRODUCTION OF GAS OXYGEN UNDER PRESSURE WITH VARIABLE FLOW RATE
US5507148A (en) * 1994-10-25 1996-04-16 The Boc Group, Inc. Air separation method and apparatus to produce nitrogen

Also Published As

Publication number Publication date
FR2730172A1 (en) 1996-08-09
JP2875502B2 (en) 1999-03-31
ES2140038T3 (en) 2000-02-16
CN1077287C (en) 2002-01-02
US5629208A (en) 1997-05-13
JPH08303947A (en) 1996-11-22
FR2730172B1 (en) 1997-03-21
EP0726434A1 (en) 1996-08-14
EP0726434B2 (en) 2003-10-22
KR100395315B1 (en) 2003-11-17
AU705899B2 (en) 1999-06-03
CA2168931A1 (en) 1996-08-08
DE69604841T2 (en) 2000-05-25
AU4336796A (en) 1996-08-15
EP0726434B1 (en) 1999-10-27
DE69604841T3 (en) 2004-07-08
CA2168931C (en) 2007-04-17
CN1143748A (en) 1997-02-26
ES2140038T5 (en) 2004-07-01
DE69604841D1 (en) 1999-12-02
ZA96938B (en) 1996-07-30
BR9600322A (en) 1997-12-23

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